Kensight USTS McBros Double Width 30mm Riflescope Rings 1.270in High Smooth Black. When it comes to durability and features the Kensight sights far exceedcompetitors.sights are Wire-EDM machined from a single billet of 4140 chrome-moly steel. The result is a precision sight built with better materials and the Wire-EDM construction ensures the tightest tolerances possible. This translates to ultra-smooth adjustments audible clicks for both windage and elevation and consistent dovetail dimensions in which the ''industry standard'' CNC construction cannot compete. Backed by Limited Lifetime Warranty Kensight 1911 sights are premium quality and the first choice for factory-fit OEM manufactures competition shooters and professional's worldwide. Specifications for Kensight USTS McBros Double Width 30mm Riflescope Rings: Manufacturer: Kensight Ring Height: 1.27 in Tube Diameter: 30 mm Quantity: 1 Ring Type: High Fabric/Material: Steel Color: Black Mount Type: Picatinny Package Contents: Kensight USTS McBros Double Width 30mm Riflescope Rings Kensight 660651: USTS McBros Double Width 30mm Riflescope Rings 1.270in High Smooth Black